Tests

Fix Naming/PredicateMethod cop. #48

Job	Run time
test (ubuntu, 3.1)	18s
test (ubuntu, 3.2)	16s
test (ubuntu, 3.4)	22s
test (ubuntu, 3.0)	15s
test (ubuntu, 3.3)	24s
test (ubuntu, truffleruby)	33s
test (ubuntu, jruby)	1m 15s
test (ubuntu, head)	15s
test (ubuntu, jruby-head)	1m 18s
test (macos, 3.0)	17s
test (ubuntu, truffleruby-head)	33s
test (windows, 3.0)	1m 56s
finish	5s
	7m 47s

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